HOUSTON - Stewart Information Services Corp., the parent company of Stewart Title, signed a 230,000-sf lease extension for its headquarters offices at the Post Oak Central office complex on Post Oak Blvd., north of Westheimer Rd. and west of Loop 610 near the Galleria.

Last year Cousins made its $950 million purchase of the 4.4 million-sf Greenway Plaza office complex.

Stewart handles closings and title policies in 80 countries — spanning Asia, the Americas, Europe and Africa — through a network of regional offices in Australia, Canada, the Caribbean, Europe, Latin America and the U.S.